Home / 248,859.30-374,210.55-208,308.90

Finding the Fourth Proportional to 248,859.30, 374,210.55 and 208,308.90

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Solution

The fourth proportional to 248,859.30, 374,210.55 and 208,308.90 is: 313,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,859.30 : 374,210.55 = 208,308.90 : x
  2. Step 2: Convert to fraction form
    248,859.30/374,210.55 = 208,308.90/x
  3. Step 3: Cross multiply
    248,859.30x = 374,210.55 × 208,308.90
  4. Step 4: Simplify right side
    248,859.30x = 77,951,388,038.90
  5. Step 5: Solve for x
    x = 77,951,388,038.90/248,859.30
  6. Step 6: Final answer
    x = 313,234.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.